Cita APA (7a ed.)

Were, G. S., & Wilson, D. (1977). East Africa through a thousand years: A history of the years A.D. 1000 to the present day ([New ed.], 2. ed., 6. impr.). Evans.

Cita Chicago Style (17a ed.)

Were, Gideon S., y Derek Wilson. East Africa Through a Thousand Years: A History of the Years A.D. 1000 to the Present Day. [New ed.], 2. ed., 6. impr. London [u.a.]: Evans, 1977.

Cita MLA (9a ed.)

Were, Gideon S., y Derek Wilson. East Africa Through a Thousand Years: A History of the Years A.D. 1000 to the Present Day. [New ed.], 2. ed., 6. impr. Evans, 1977.